Effects of two personalized #dietary strategies during a 2‐year intervention in subjects with nonalcoholic #fatty #liver disease: a randomized trial

Background and objectives
Nonalcoholic fatty liver disease (NAFLD) management is focused on lifestyle modifications, but long‐term maintenance is a challenge for many individuals. This study aimed to evaluate the long‐term effects of two personalized energy‐restricted dietary strategies on weight loss, metabolic and hepatic outcomes in overweight/obese subjects with NAFLD.

Methods
Ninety‐eight subjects from the Fatty Liver in Obesity (FLiO) study (NCT03183193) were randomly assigned to the American Heart Association (AHA) or the FLiO dietary group in a 2‐year controlled trial. Anthropometry, body composition (DXA), biochemical parameters, and hepatic status (ultrasonography, Magnetic Resonance Imaging, and elastography) were assessed at baseline, 6, 12, and 24 months.

Results
Both the AHA and FLiO diets significantly reduced body weight at 6 (‐9.7% vs. ‐10.1%), 12 (‐6.7% vs. ‐9.6%), and 24 months (‐4.8% vs. ‐7.6%) with significant improvements in body composition, biochemical, and liver determinations throughout the intervention. At the end of the follow‐up, the FLiO group showed a greater decrease in ALT, liver stiffness, and Fatty Liver Index, among others, compared to AHA group, although these differences were attenuated when the analyses were adjusted by weight loss percentage. The FLiO group also showed a greater increase in adiponectin compared to AHA group.

Conclusions
The AHA and FLiO diets were able to improve body weight and body composition, as well as metabolic and hepatic status of participants with overweight/obesity and NAFLD within a 2‐year follow‐up. These findings show that both strategies are suitable alternatives for NAFLD management. However, the FLiO strategy may provide more persistent benefits in metabolic and hepatic parameters

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